title: A capillary gas-liquid chromatographic method for determination of ethylenethiourea and prophylenethiourea in hops, beer, and grapes.
mesh_terms: D001515:Beer / Q000032:analysis*; D002849:Chromatography, Gas; D005031:Ethylenethiourea / Q000032:analysis*; D005506:Food Contamination / Q000032:analysis; D005638:Fruit / Q000032:analysis*; D007093:Imidazoles / Q000032:analysis*; D013890:Thiourea / Q000031:analogs & derivatives* / Q000032:analysis
chemical_list: D007093:Imidazoles; C035039:propylenethiourea; D005031:Ethylenethiourea; D013890:Thiourea